Finding the Fourth Proportional to 1,153.81, 1,592.25 and 656.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153.81 : 1,592.25 = 656.41 : x
2. Step 2: Convert to fraction form
   1,153.81/1,592.25 = 656.41/x
3. Step 3: Cross multiply
   1,153.81x = 1,592.25 × 656.41
4. Step 4: Simplify right side
   1,153.81x = 1,045,168.82
5. Step 5: Solve for x
   x = 1,045,168.82/1,153.81
6. Step 6: Final answer
   x = 905.84